package com.mmall.controller.backend;

import com.google.common.collect.Maps;
import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.Product;
import com.mmall.pojo.User;
import com.mmall.service.IFileService;
import com.mmall.service.IProductService;
import com.mmall.service.IUserService;
import com.mmall.util.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

@Controller
@RequestMapping("/manage/product")
public class ProductManageController {

    @Autowired
    private IUserService iUserService;

    @Autowired
    private IProductService iProductService;

    @Autowired
    private IFileService iFileService;

    //保存商品
    @RequestMapping("save.do")
    @ResponseBody
    public ServerResponse productSave(HttpServletRequest httpServletRequest, Product product) {
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            //增加产品
            return iProductService.saveOrUpdateProduct(product);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //更新产品销售状态-上下架
    @RequestMapping("set_sale_status.do")
    @ResponseBody
    public ServerResponse setSaleStatus(HttpServletRequest httpServletRequest, Integer productId, Integer status) {
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            return iProductService.setSaleStatus(productId, status);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //获取产品详情
    @RequestMapping("detail.do")
    @ResponseBody
    public ServerResponse getDetail(HttpServletRequest httpServletRequest, Integer productId) {
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            return iProductService.manageProductDetail(productId);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //管理后台产品清单
    @RequestMapping("list.do")
    @ResponseBody
    public ServerResponse getlist(HttpServletRequest httpServletRequest, @RequestParam(value = "pageNum", defaultValue = "1") int pageNum, @RequestParam(value = "pageSize", defaultValue = "10") int pageSize) {
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            return iProductService.getProductList(pageNum, pageSize);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //后台产品搜索
    @RequestMapping("search.do")
    @ResponseBody
    public ServerResponse productSearch(HttpServletRequest httpServletRequest, String productName, Integer productId, @RequestParam(value = "pageNum", defaultValue = "1") int pageNum, @RequestParam(value = "pageSize", defaultValue = "10") int pageSize) {
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            return iProductService.searchProduct(productName,productId,pageNum,pageSize);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //文件上传
    @RequestMapping("upload.do")
    @ResponseBody
    public ServerResponse upload(HttpServletRequest httpServletRequest,@RequestParam(value = "upload_file",required = false) MultipartFile file, HttpServletRequest request){
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            return ServerResponse.createByErrorMessage("用户未登录，无法获取当前用户信息");
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if (user == null) {
            ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆，请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()) {
            String path = request.getSession().getServletContext().getRealPath("upload");
            String targetFileName = iFileService.upload(file,path);
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix")+targetFileName;
            Map fileMap = Maps.newHashMap();
            fileMap.put("uri",targetFileName);
            fileMap.put("url",url);
            return ServerResponse.createBySuccess(fileMap);
        } else {
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    //富文本上传
    @RequestMapping("richtext_img_upload.do")
    @ResponseBody
    public Map richtextImgUpload(HttpServletRequest httpServletRequest, @RequestParam(value = "upload_file",required = false) MultipartFile file, HttpServletRequest request, HttpServletResponse response){
        Map resultMap = Maps.newHashMap();
        String loginToken = CookieUtil.readLoginToken(httpServletRequest);
        if(StringUtils.isEmpty(loginToken)){
            resultMap.put("success",false);
            resultMap.put("msg","请登录管理员");
            return resultMap;
        }
        String userJsonStr = RedisShardedPoolUtil.get(loginToken);
        User user = JsonUtil.string2Obj(userJsonStr,User.class);
        if(user == null){
            resultMap.put("success",false);
            resultMap.put("msg","请登录管理员");
            return resultMap;
        }
        //富文本中对于返回值有自己的要求,我们使用是simditor所以按照simditor的要求进行返回
//        {
//            "success": true/false,
//                "msg": "error message", # optional
//            "file_path": "[real file path]"
//        }
        if(iUserService.checkAdminRole(user).isSuccess()){
            String path = request.getSession().getServletContext().getRealPath("upload");
            String targetFileName = iFileService.upload(file,path);
            if(StringUtils.isBlank(targetFileName)){
                resultMap.put("success",false);
                resultMap.put("msg","上传失败");
                return resultMap;
            }
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix")+targetFileName;
            resultMap.put("success",true);
            resultMap.put("msg","上传成功");
            resultMap.put("file_path",url);
            response.addHeader("Access-Control-Allow-Headers","X-File-Name");
            return resultMap;
        }else{
            resultMap.put("success",false);
            resultMap.put("msg","无权限操作");
            return resultMap;
        }
    }

}
